Calibre Firmware Updater
Update your Calibre
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Free
About
Keep your Calibre™ device up to date with the latest performance and stability improvements.
The Calibre Firmware Updater lets you easily install the latest firmware on your Calibre wearable breath/metabolic tracker.
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What's New in Calibre Firmware Updater
1.0.3
July 16, 2025
Firmware version 20.00 is here!
